Penjelasan dengan langkah-langkah:
TRIGONOMETRI DASAR
∆ ABC siku² di A,
AB = 12 cm
BC = 15 cm
AC = √(15² – 12²) = √(225–144)
AC = √81
AC = 9 cm
1. AC = 9 cm
2. Cos B = AB
BC
Cos B = 12
15
3. Sin C = AB
Sin C = 12
AC² = BC² - AB²
AC² = 15² - 12²
AC² = 225 - 144
AC² = 81
Cos B =
Sin C =
#LearnWithPanda
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Penjelasan dengan langkah-langkah:
TRIGONOMETRI DASAR
∆ ABC siku² di A,
AB = 12 cm
BC = 15 cm
AC = √(15² – 12²) = √(225–144)
AC = √81
AC = 9 cm
1. AC = 9 cm
2. Cos B = AB
BC
Cos B = 12
15
Cos B = – 4/5 ✔
3. Sin C = AB
BC
Sin C = 12
15
Sin C = – 4/5 ✔
JavierSKho13 tolong jawab mtk ku kak nanti ku tandai sebagai tercerdas
Diketahui:
Ditanyakan:
Penyelesaian:
AC² = BC² - AB²
AC² = 15² - 12²
AC² = 225 - 144
AC² = 81
AC = √81
AC = 9 cm
Cos B =
Cos B =
Cos B =
Cos B =
Sin C =
Sin C =
Sin C =
Sin C =
#LearnWithPanda